A broadcast is a one-to-many message passing interface. It is usually used in the context of a network programming or event-driven programming.
Questions tagged [broadcast]
1905 questions
30
votes
3 answers
AngularJS $broadcast with multiple parameters
Can I have a $broadcast $on with multiple parameters,
something like:
$scope.$broadcast('event',$scope.item, $scope.item);
Is it possible to have something like this or something similar in any case ?
blaa
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29
votes
3 answers
UDP-Broadcast on all interfaces
On a Linux system with a wired and a wireless interface (e.g. 192.168.1.x and 192.168.2.x subnets) I want to send a UDP broadcast that goes out via ALL available interfaces (i.e. both through the wired and the wireless interface).
Currently I…
Steven
26
votes
5 answers
Android : restart application after update - ACTION_PACKAGE_REPLACED
My application that is not on Play Store verify on the web If there are a new version and download and start it. After the installation I would like to restart the application and I would use a BroadcastRecevier with ACTION_PACKAGE_REPLACED. This is…
MisterX_Dev
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25
votes
1 answer
Multicast vs Broadcast in LAN
Is there any advantage to using a multicast group to send messages rather than just broadcasting them to a specific port? I understand that when broadcasting, other computers that don't want the messages receive them too, but how much does it affect…
slartibartfast
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25
votes
6 answers
angularJS $on event handler trigger order
I was wondering two things, in the context of angularJS event handling.
How is defined the order in which handlers listening to the same event are triggered?
Is it a sign of a bad design if you start wondering about this?
After reading…
Renaud
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24
votes
4 answers
Send Broadcast datagram
I need to send a broadcast datagram to all machine (servers) connected to my network.
I'm using NodeJS Multicast
Client
var dgram = require('dgram');
var message = new Buffer("Some bytes");
var client =…
Wassim AZIRAR
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23
votes
1 answer
Bluetooth broadcasting
I want to broadcast data from one device using Bluetooth to numerous nearby devices. Now, I know Bluetooth broadcasting exists, but is it possible using Android's existing API? If not, are there any other 3rd party APIs available out there which are…
Jong
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21
votes
2 answers
How to correctly filter Package replaced broadcast
I am trying to catch the package replaced broadcast for my app and only my app, but for some reason in my reciever I am the broadcast for every app that is updated. I thought you only needed to set the intent filter in the manifest file to your…
ninjasense
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20
votes
3 answers
Network UDP broadcast design?
I am working on a C++ server/.NET client applications couple in which my server (which runs the c++ on linux) broadcasts a message to show it's alive to the whole network and my .NET program listens for packets and parses to get the uptime of the…
Andrei Zisu
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20
votes
2 answers
Send Broadcast UDP but not receive it on other Android devices
I am trying to develop an app that sends some broadcast messages and receives some answers from the other android devices. I am having some trouble receiving the UDP messages from the other devices. I should mention that this code worked on…
Lara
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20
votes
1 answer
Python UDP Broadcast not sending
I am trying to UDP broadcast from a Python program to two LabView programs. I cannot seem to get the broadcast to send and I am not sure where my socket initialization is wrong, broadcasting seems simple enough?? As far as I can see, there is no…
TDK
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20
votes
11 answers
Problems with SO_BINDTODEVICE Linux socket option
I have a PC with two network cards. One (eth0) is for LAN/internet and the other for UDP communication with one microcontroller device. The microcontroller has an IP (192.168.7.2) and a MAC address. The second pc network adapter (eth1) has…
Michael
18
votes
1 answer
boost::asio UDP broadcasting
I want to broadcast UDP messages to all computers in a local network using boost::asio. Working through the examples I came up with
try {
socket.open(boost::asio::ip::udp::v4());
boost::asio::socket_base::broadcast option(true);
…
nikolas
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18
votes
5 answers
Calculate broadcast address from ip and subnet mask
I want to calculate the broadcast address for:
IP: 192.168.3.1
Subnet: 255.255.255.0
= 192.168.3.255
in C.
I know the way (doing fancy bitwise OR's between the inversed IP and subnet), but my problem is I come from the green fields of…
Kolja
18
votes
6 answers
Turn on screen on device
How can I turn the sceen on ?
I tried something like this
adb -d shell am broadcast -a android.intent.action.SCREEN_ON
It really should work, I send broadcast intent it is received by the system, but the screen doesn't turn on
I do not understand…
Lukap
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